499601520 has 400 divisors, whose sum is σ = 1948839552. Its totient is φ = 117573120.

The previous prime is 499601471. The next prime is 499601533. The reversal of 499601520 is 25106994.

499601520 is a `hidden beast` number, since 49 + 9 + 601 + 5 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3064959 + ... + 3065121.

Almost surely, 2^499601520 is an apocalyptic number.

499601520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499601520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974419776).

499601520 is an abundant number, since it is smaller than the sum of its proper divisors (1449238032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499601520 is a wasteful number, since it uses less digits than its factorization.

499601520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 499601520 is about 22351.7677153285. The cubic root of 499601520 is about 793.4896207561.

The spelling of 499601520 in words is "four hundred ninety-nine million, six hundred one thousand, five hundred twenty".